Underben - extensorloge Flashcards

1
Q

Hvor udspringer Musculus tibialis anterior?

A

Condylus lateralis tibiae. Facies lateralis tibiae.
Membrana interossea cruris - mediale halvdel.
Fascia cruris

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2
Q

Hvor hæfter Musculus tibialis anterior?

A

Os cuneiforme mediale (plantart og medialt).

Basis ossis metatarsalis 1 (plantart)

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3
Q

Hvilken funktion har Musculus tibialis anterior?

A

Ankelleddet:
Dorsalfleksion - den kraftigste dorsalfleksor - kraftigere end alle de resterende tilsammen.

Art. subtalaris:
Inversion (supination) - samt eversion (pronation) når pronationen er indledt.

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4
Q

Hvilken innervation har Musculus tibialis anterior?

A

n. peroneus profundus (L4-S1)

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5
Q

Hvor udspringer m. extensor digitorum longus?

A
  • Condylus lateralis tibiae
  • Facies medialis fibulae
  • Membrana interossea (laterale halvdel - proximalt)
  • Fascia cruris (proximalt)
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6
Q

Hvor tilhæfter m. extensor digitorum longus?

A

Ekstensoraponeurosen på 2. til 5. tå

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7
Q

Hvilken funktion har m. extensor digitorum longus?

A

Ankelleddet:
- Dorsalfleksion

Art. subtalaris:
- Eversion (pronation)

2-5. tå:
- Ekstension i alle tåled.

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8
Q

Hvilken innervation har m. extensor digitorum longus?

A

n. peroneus profundus (L5 - S1)

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9
Q

Hvor udspringer musculus peroneus tertius?

A

Facies medialis fibulae (distalt)

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10
Q

Hvor tilhæfter musculus peroneus tertius?

A

Dorsalt på basis ossis metatarsalis V

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11
Q

Hvilken funktion har musculus peroneus tertius?

A

Ankelleddet:
Dorsalfleksion

Art. Subtalaris:
Eversion (pronation)

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12
Q

Hvilken innervation har musculus peroneus tertius?

A

n. peroneus profundus (L4-S1)

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13
Q

Hvilket udspring har m. extensor hallucis longus?

A
  • Facies medialis fibulae

- Membrana interossea cruris

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14
Q

Hvilken tilhæftning har m. extensor hallucis longus?

A

Basis storetåens yderstykke

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15
Q

Hvilken funktion har m. extensor hallucis longus?

A

Ankelleddet:
Dorsalfleksion (extension)

Art. subtalaris:
Eversion (pronation) - svag virkning

Storetåen:
Ekstension i alle storetåens led.

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16
Q

Hvilken innervation har m. extensor hallucis longus?

A

n. peroneus profundus (L5-S1)

17
Q

Hvilke muskler indgår i underbenets extensorloge?

A
  • Musculus tibialis anterior
  • M. extensor digitorum longus
  • M. peroneus tertius
  • M. extensor hallucis longus